CVE-1999-0993 describes a vulnerability in Microsoft Exchange 5.5 where changes to Access Control Lists (ACLs) are not immediately applied, requiring a directory store cache refresh to take effect. This high-severity vulnerability (CVSS 7.5) could allow an unauthenticated attacker to achieve partial confidentiality, integrity, and availability impacts over the network. Despite its age and severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.0CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:5.0:-:*:*:*:*:*:* | ||
5.5CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:5.5:-:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.